. >> president obama vacationing in key largo, florida, over the weekend but unable to take a break from the crisis in crimea working the phones, here speaking with friends as the president says many world leaders agree. ukraine's sovereignty must be protected and that next weekend's vote to decide if crimea should break off and join russia as illegal. >> if there is a referendum and it votes to move crimea out of ukraine to russia we won't recognize it and most of the world won't either. >> ukrainian prime minister is now scheduled to be in washington with president barack obama this wednesday to talk about ways to peacefully end the invasion and stop russian vice president vladimir putin. >> putin gives no indication whatsoever that he's going to be backing away from annexing the crimea and meanwhile obama's critics hasn't shown a priority to the national defense. >> sanctions like the travel ban and asset freezes and some russian officials have already taken effect and more could be coming. >> if it impacts europe's economy it will impact the united states economy. >> reporter: just a